2024
Aging-dependent loss of functional connectivity in a mouse model of Alzheimer’s disease and reversal by mGluR5 modulator
Mandino F, Shen X, Desrosiers-Grégoire G, O’Connor D, Mukherjee B, Owens A, Qu A, Onofrey J, Papademetris X, Chakravarty M, Strittmatter S, Lake E. Aging-dependent loss of functional connectivity in a mouse model of Alzheimer’s disease and reversal by mGluR5 modulator. Molecular Psychiatry 2024, 1-16. PMID: 39424929, DOI: 10.1038/s41380-024-02779-z.Peer-Reviewed Original ResearchFunctional connectivity deficitsConnectivity deficitsFunctional connectivityBrain connectivityAllosteric modulators of mGluR5Alzheimer's diseaseDefault-mode networkModulation of mGluR5Loss of functional connectivityResting-state fMRIApplication of fMRIWild-type controlsAged AD miceMouse model of Alzheimer's diseaseAD-related changesAD miceModel of Alzheimer's diseaseAssociated with synaptic damageMGluR5 modulationMonths of ageFMRI measurementsAmyloid accumulationDecreased connectivityBrain networksSilent allosteric modulators
2023
Longitudinal simultaneous fMRI and mesoscale calcium imaging in a mouse model of Alzheimer’s disease
Mandino F, Shen X, Desrosiers-Gregoire G, O'Connor D, Mukherjee B, DeLuca K, Hamodi A, Owens A, Ha Y, Qu A, Onofrey J, Papademetris X, Chakravarty M, Crair M, Strittmatter S, Lake E. Longitudinal simultaneous fMRI and mesoscale calcium imaging in a mouse model of Alzheimer’s disease. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2023 DOI: 10.58530/2023/3914.Peer-Reviewed Original ResearchMouse model of Alzheimer's diseaseModel of Alzheimer's diseaseMesoscale calcium imagingAlzheimer's diseaseBehavioral deficitsExcitatory neural activityMultimodal neuroimagingBOLD signalSimultaneous fMRINeuroimaging changesNeural activityBOLD fMRIPreliminary evidenceCalcium imagingClinically accessible biomarkersMesoscopic calcium imagingSpontaneous activityFMRINeuroimagingBOLDDeficitsComplex relationship
2021
Sex differences in connectivity in the default mode network in healthy aging adults
Ficek B, Horien C, Lacadie C, Shen X, Scheinost D, Constable T, Fredericks C. Sex differences in connectivity in the default mode network in healthy aging adults. Alzheimer's & Dementia 2021, 17 DOI: 10.1002/alz.056050.Peer-Reviewed Original ResearchIntrinsic connectivity distributionDefault mode networkAlzheimer's diseaseHealthy aging adultsElevated riskAging AdultsLarge cross-sectional studyPosterior default mode networkSex differencesMode networkCross-sectional cohortCross-sectional studyPreclinical Alzheimer's diseaseSymptomatic Alzheimer's diseaseResting-state scansSex-based differencesAnterior nodeAD showDMN connectivityHealthy adultsFunctional MRI dataNormal individualsResults FemalesZ-scoreFunctional connectivity